1. First, open the billing software, enter the user name and password and log in to the software. Click "Normal Invoicing" and enter relevant information in the pop-up window.

2. Secondly, put a blank invoice in the printer, and the number of the blank invoice should be the same as the invoice number to be printed in the current invoicing software.

3. Finally, click "Invoice Print". A complete demand loan invoice will be successful.